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我知道0002是PDF文件中的對象編號。最後一列(從01到07)名稱是「索引」(在pdf參考文件中)但01,02,03,04,05,06和07是什麼意思?他們在哪裏指向對象2?我沒有明白。PDF交叉引用流
這裏是交叉參考流:
stream 01 0E8A 0 % Entry for object 2 (0x0E8A = 3722)
SyntaxCHAPTER 3 114
02 0002 00 % Entry for object 3 (in object stream 2, index 0)
02 0002 01 % Entry for object 4 (in object stream 2, index 1)
02 0002 02 % …
02 0002 03
02 0002 04
02 0002 05
02 0002 06
02 0002 07 % Entry for object 10 (in object stream 2, index 7)
01 1323 0 % Entry for object 11 (0x1323 = 4899)
endstream
和這裏是例如PDF文檔中的第二個目的:
2 0 obj % The object stream, at offset 3722
<</Length ...
/N 8 % This stream contains 8 objects.
/First 47 % The stream-offset of the first object
>>
stream
3 0 4 50 5 72 … % The numbers and stream-offsets of the 8 objects
<</Type /StructTreeRoot % This is object 3.
/K 4 0 R
/RoleMap 5 0 R
/ClassMap 6 0 R
/ParentTree 7 0 R
/ParentTreeNextKey 8
>>
<< /S /Workbook % This is object 4 (K value from StructTreeRoot).
/P 8 0 R
/K 9 0 R
>>
<</Workbook /Div % This is object 5 (RoleMap).
/Worksheet /Sect
/TextBox /Figure
/Shape /Figure
>>
… % Objects 6 through 10 are defined here.
endstream
endobj
*但是01,02,03,04,05,06和07是什麼意思?它們指向對象2的位置?* - 列表中的索引'3 0 4 50 5 72 ...%數字對的8個對象的數量和流偏移量 – mkl